Items - TWIN BEAM LED HEAD LIGHT SYSTEM VOLTAGE 110 V DC SIZE OF BEAM 12 DEGREE (4000K) SPEC. NO. RDSO/2017/ELECT/SPEC/0134 OR LATEST REV. Suitable for VANDE BHARAT (TRAIN-18) BIDDER SHALL SUBMIT TECHNICAL CLEARANCE OF PROTOTYPE/TEST SAMPLES AND ITS APPROVAL BY THE RDSO.